A prenuptial agreement is only valid if it is completed prior to marriage. After a couple is married, they may draw up a post-nuptial agreement. In the United States, prenuptial agreements are recognized in all fifty states and the District of Columbia.
Osmosis - the diffusion of water (across a membrane) Water will move in the direction where there is a high concentration of solute (and hence a lower concentration of water. A simple rule to remember is: Salt is a solute, when it is concentrated inside or outside the cell, it will draw the water in its direction.
What is Diffusion and Osmosis? February 6, 2011, Jodel X, Leave a comment. What is Diffusion and Osmosis? What is diffusion and osmosis? In biology, both terms pertains to a type of passive transport. Passive transport means that the molecules moving in and out of the cell do not require energy to be in motion.